Gates 43302 Engine Water Pump

Reliable Water Pump Replacement for Mercedes-Benz Models

The Gates Water Pump (Standard) 43302 is engineered to provide dependable cooling system performance for select Mercedes-Benz vehicles. Designed with durable materials and precise specifications, this engine water pump supports optimal engine temperature regulation for models including the 190E, 260E, 300CE, 300E, 300SE, 300SEL, and 300TE.

• Housing made from cast aluminum for strength and corrosion resistance
• Cast iron impeller with standard rotation for consistent coolant flow
• Includes water pump, gasket, 3 o-rings, 4 bolts, and 6 spring washers
• Accessory belt drive style for compatibility with original engine setup
• Three outlet ports to match factory cooling system design

About the Gates Water Pump (Standard) Product Line

The Gates Water Pump (Standard) line focuses on delivering reliable, OEM-quality water pumps designed to meet factory specifications. This product line emphasizes durable construction and precise fitment, ensuring proper coolant circulation and engine temperature control. The 43302 water pump is part of this line, offering a balance of performance and longevity for Mercedes-Benz engines requiring standard rotation impellers and accessory belt drives.

Detailed Product Description

This Gates engine water pump features a cast aluminum housing that provides a lightweight yet robust structure resistant to corrosion and heat. The cast iron impeller is designed with standard rotation to maintain consistent coolant flow through the engine’s cooling system. The pump includes three outlet ports, matching the original equipment configuration for seamless integration. It is driven by the accessory belt, aligning with the factory drive style and eliminating the need for timing belt compatibility. The package contains the water pump itself along with a gasket, three o-rings, four bolts, and six spring washers to support proper sealing and secure installation.

Common Applications and Issues Addressed

• Replacement for failing or leaking water pumps in Mercedes-Benz 190E, 260E, 300CE, 300E, 300SE, 300SEL, and 300TE models
• Resolves overheating caused by inadequate coolant circulation
• Addresses coolant leaks due to worn seals or pump housing corrosion
• Prevents engine damage from water pump impeller failure
• Restores proper accessory belt-driven cooling system operation

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Verify compatibility with your specific Mercedes-Benz model and engine configuration. Use the included gasket and o-rings to maintain a proper seal and prevent leaks. Torque bolts to manufacturer specifications and inspect the accessory belt for wear during installation. Proper alignment of the pump and belt tension is critical for optimal performance.

Quality Assurance and Warranty

Gates water pumps are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 43302 should be confirmed with the supplier, Gates typically offers limited warranties covering defects in materials and workmanship. This water pump is designed to provide consistent engine cooling and long service life when installed correctly.